JPH08340561A - Remote maintenance system for key telephone set - Google Patents

Abstract

PURPOSE: To omit waste at speech by providing a means sending a set value of designated data to a center, a means interrupting a line after the reception by the center and a means reviving a line with a slave set. CONSTITUTION: A slave side control section 107 reads one by one data set in a master set 101 at present and an item number set in advance in a RAM 105 and sends them to the master set 101. The center side stores the received item number and item data. The slave side sends a command denoting the end of data after final data. Upon the receipt of the command, the center side stores all received item data to a file. When the file processing is finished, the center side sends a command inhibiting revision of a slave side key telephone set to the slave, and the slave set receiving the command sets a value of a revision inhibit setting area in a RAM 105 of the master set 101 to be a write inhibit state. The center side sends an interrupt request of line to the slave side and interrupts the line after confirming it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote maintenance system for key telephone devices.

[0002]

2. Description of the Related Art The remote maintenance function of a conventional button telephone system is to install the same type of button telephone on the center side and the slave side, or to install a changing device such as a personal computer on the center side, and use a modem or telephone. The operations of reading, changing, and rewriting data set for each function on the slave side are performed item by item via the line according to instructions from the center side.
In some cases, data is exchanged only with the PB signal without using a modem or the like.

[0003]

However, in the above-mentioned conventional example, when a changing device such as a personal computer is installed on the center side and data is exchanged only by the PB signal, during a series of remote maintenance operations, The telephone line remained connected.

Since data is not transmitted or received during the data change operation on the center side, the call charge is wasted if the telephone line is connected.

Further, since the line will be occupied for a long time, other telephone work will be hindered.

The first invention relating to the present application is a call charge /
It is an object of the present invention to provide a remote maintenance system that can reduce the waste of call time.

A second aspect of the present invention is to prevent the data set value held by the remote maintenance on the center side from being different from the data set value on the slave side during the data set value changing operation performed on the center side. It is intended to provide a remote maintenance system that can perform.

[0008]

According to a first aspect of the present invention, in a remote maintenance system for a key telephone device, a slave side to be remote-maintained transmits a set value of data designated by the center side to the center side. Means for disconnecting the line after receiving the set value of the data at the center side, and means for reactivating the line with the slave side at the instruction of the center side. Waste can be saved.

A second aspect of the present invention is a remote maintenance system for a key telephone device,
A means for prohibiting the setting change in the slave side button telephone device itself (local) when the line is disconnected for the change operation,
By having a means to release the local change prohibition after the line with the slave side is restored by the instruction of the center side, the data set value held by the remote maintenance on the center side and the data set value of the slave side can be It can be different.

[0010]

1 is a block diagram showing the configuration of a main unit of a key telephone device according to a first embodiment of the present invention.
FIG. 3 is an explanatory diagram showing a configuration example of a system that performs remote maintenance.

The main unit 101 has an outside line interface circuit section 103 for accommodating a signal line 102 from a telephone line 113.
A signal transmission through a switch circuit network 104 for connecting a communication path, a RAM 105 for storing various data, a ROM 106 for storing programs, a control unit 107 for controlling the entire key telephone device, and extension telephones 109 to 111. Extension interface circuit unit 11 accommodated via the path 108
And 2.

FIG. 3 is a block diagram showing the configuration of the personal computer installed in the center in this embodiment.

In this personal computer, a keyboard 307 is connected to a personal computer main body 201, and the personal computer main body 201 is
Display 301, floppy drive 302,
It has a ROM 303, a RAM 304, a timer 305, a keyboard interface 306, and a control circuit 308 for controlling the personal computer main body 201.

FIG. 4 shows the RAM 105 of the main device 101.
3 is an explanatory diagram showing an item data storage area in FIG.

In the figure, 403 is an area for storing item numbers, and 404 is a setting data storage area. Also,
401 and 402 are parts corresponding to the header of the item data storage area. Reference numeral 401 denotes a local change prohibition setting area, where "-" indicates change prohibition and "*" indicates change permission. Further, reference numeral 402 is a spare area, and all are set to "0".

FIG. 5 shows a personal computer main body 20.
FIG. 3 is an explanatory diagram showing a part of the RAM 304 of No. 1 and shows a storage area of data received from a slave.

In the figure, 501 is an item number storage area, and 502 is a setting data storage area. Also, 50
Reference numeral 3 denotes a changed setting area indicating whether or not the setting data 501 has been changed.

FIG. 6 is a flow chart showing a control portion relating to the present invention in the control operation of the first embodiment. It should be noted that item numbers are assigned in advance to setting items for which remote maintenance can be performed.

First, the line on the center side and the line on the slave side are connected in response to an incoming call / answer from the telephone (S1). here,
The personal computer 201 on the center side transmits a device name / Ver data request command to the slave side button telephone main unit 101 (S2).

Control unit 107 of main device 101 on the slave side
Reads the data from the ROM 106 and displays the device name / Ve
Send r to the center side. The center side judges whether the key telephone device on the slave side can be remote-maintained by referring to the answer from the slave side (S3).

Here, in the case of an apparatus capable of remote maintenance, the personal computer on the center side sends a command requesting all item data capable of remote maintenance to the main apparatus on the slave side (S).
4).

The slave-side control section 107 has a RAM 105.
From inside (see FIG. 4), the preset item numbers and the data currently set in the main device 101 are read one by one and transmitted to the center side main device 101. The control circuit 105 of the personal computer on the center side holds the received item number / item data in the format of FIG. At that time, all the changed areas 501 are set to “0”.

The slave side sends a command indicating the end of data after the last data. When the center receives the above command, all the item data received is
One file is stored in a storage medium such as a floppy disk (S5).

When the filing is completed, the center side
The slave side, which has transmitted the command for prohibiting the change of the key telephone device on the slave side, receives the command, and the slave side receives the change prohibition setting area 401 in the RAM 105 of the main device 101.
The value of is changed from "*" to "-" to prohibit writing (S6).

The personal computer on the center side is
A line disconnection request command is transmitted to the slave side, and the line is disconnected when a confirmation command from the slave side is detected (S7).

In the personal computer on the center side, the created file is opened, the data is changed for each item, and the changed portion is the changed setting area 5
Set 03 to "1". For the item numbers that have not changed, leave the changed setting area as "0" (S
8).

When the changing operation is completed, the center side connects the line with the slave side again (S9). Then, the personal computer on the center side sends a command to release the change prohibition to the key telephone device on the slave side (S).
10). Upon receiving the command, the slave side returns the change prohibition setting area 401 to "*" to allow the change in the memory.

In order to transmit only the changed data (S11), the center side transmits the item number and the changed data only for the portion where the changed setting area 503 is "1". The slave side writes the sent data in the memory according to the item number (S12). When all the transmissions are completed, the center side transmits an end command, and disconnects the line when the confirmation command from the slave side is detected (S13).

FIG. 7 is a flow chart showing the control part relating to the present invention in the control operation of the second embodiment of the present invention. Only the differences from the first embodiment will be described here.

First, in S14, the personal computer on the center side transmits a certain command to the main device on the slave side, and subsequently transmits the item number of the data to be changed. The slave side transmits only the data of the designated item number to the center side personal computer (S15).

The personal computer on the center side is
Data is changed after sending the rewrite prohibition command. Next, when the telephone line is connected (S9), the personal computer on the center side transmits all the data in the storage area of the received data to the main device on the slave side, and overwrites the data area at the same item number. (S16). Since the other points are the same as those in the first embodiment, description thereof will be omitted.

[0032]

As described above, according to the present invention,
In the remote maintenance function of the key telephone device,
After the data setting value is received at the center side, by disconnecting the line, waste of call time and call charge can be eliminated.

Further, by prohibiting the local setting change while changing the setting on the center side, the data setting value held by the remote maintenance on the center side and the data setting value on the slave side do not differ. can do.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a main device of a key telephone device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a configuration example of a system for performing remote maintenance in the first embodiment.

FIG. 3 is a block diagram showing a configuration of a center-side personal computer in the first embodiment.

FIG. 4 is a diagram showing R of the slave side main unit in the first embodiment.
It is explanatory drawing which shows the item data storage area in AM.

FIG. 5 is an explanatory diagram showing a part of the RAM of the personal computer in the first embodiment.

FIG. 6 is a flowchart showing a control operation of the first embodiment.

FIG. 7 is a flowchart showing the control operation of the second embodiment of the present invention.

[Explanation of symbols]

 Reference numeral 101 ... Main device, 103 ... External interface circuit section, 104 ... Switch circuit network, 105, 304 ... RAM, 106, 303 ... ROM, 107 ... Control section, 109-111 ... Extension telephone, 112 ... Extension interface circuit section, 113 ... telephone line, 201 ... personal computer main body, 301 ... display, 302 ... floppy drive, 305 ... timer, 306 ... keyboard interface, 307 ... keyboard, 308 ... control circuit.

Claims (2)

[Claims] 1. A system for performing remote maintenance of a key telephone device by transmitting and receiving the above set values through a telephone line from a center side where a processing device capable of changing and storing various set values is installed. The slave side transmits the set value of the data designated by the center side to the center side; the line disconnecting means for disconnecting the line after the set value of the data is received by the center side; A remote maintenance system for restoring a line with the slave side according to an instruction; 2. The remote maintenance system according to claim 1, further comprising a prohibition means for prohibiting a setting change at the slave side button telephone device itself when the line is disconnected for a change operation; The remote maintenance system is characterized by having a releasing means for releasing the setting change prohibition after the line is restored.